<template>
    <div class="tab-bar-item" @click="itemClick">
        <div v-if="!isActive">
            <slot name="item-icon"></slot>
        </div>
        <div v-else>
            <slot name="item-icon-active"></slot>
        </div>
        <div :style="activeStyle">
            <slot name="item-text"></slot>
        </div>
    </div>
</template>

<script>
export default {
    name: "TabBarItem",
    props: {
        path: String,
        activeColor: {
            type: String,
            default: 'red'
        }
    },
    data() {
        return {
            
        }
    },
    computed: {
        isActive(){
            return this.$route.path.indexOf(this.path) !== -1
        },
        activeStyle(){
             return this.isActive ? {color: this.activeColor} : {}
        }
    },
    methods: {
        itemClick() {
            if(this.path === '/shopcar') {
                if(this.$store.state.user.length === 0) {
                    this.$toast.show("请先登录再进行该操作");
                    this.$router.push('/profile')
                }else{
                     this.$router.replace('/shopcar')
                }
            }else{
                this.$router.replace(this.path)
            }
        }
    }
}
</script>

<style scoped>
    .tab-bar-item {
    flex: 1;
    text-align: center;
    height: 49px;
    font-size: 14px;
  }

  .tab-bar-item img {
    width: 24px;
    height: 24px;
    margin-top: 3px;
    vertical-align: middle;
    margin-bottom: 2px;
  }
</style>